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fix(core): allow to detach OnPush components (#16394)

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Fixes #9720
This commit is contained in:
Tobias Bosch
2017-04-27 16:15:10 -07:00
committed by Miško Hevery
parent 392d584572
commit aa8bba4865
4 changed files with 26 additions and 9 deletions
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4
packages/core/src/view/refs.ts
View File

@ -236,11 +236,11 @@ export class ViewRef_ implements EmbeddedViewRef<any>, InternalViewRef {
get destroyed(): boolean { return (this._view.state & ViewState.Destroyed) !== 0; }
markForCheck(): void { markParentViewsForCheck(this._view); }
detach(): void { this._view.state &= ~ViewState.ChecksEnabled; }
detach(): void { this._view.state &= ~ViewState.Attached; }
detectChanges(): void { Services.checkAndUpdateView(this._view); }
checkNoChanges(): void { Services.checkNoChangesView(this._view); }
reattach(): void { this._view.state |= ViewState.ChecksEnabled; }
reattach(): void { this._view.state |= ViewState.Attached; }
onDestroy(callback: Function) {
if (!this._view.disposables) {
this._view.disposables = [];

9
packages/core/src/view/types.ts
View File

@ -324,9 +324,12 @@ export interface ViewData {
*/
export const enum ViewState {
FirstCheck = 1 << 0,
ChecksEnabled = 1 << 1,
Errored = 1 << 2,
Destroyed = 1 << 3
Attached = 1 << 1,
ChecksEnabled = 1 << 2,
Errored = 1 << 3,
Destroyed = 1 << 4,
CatDetectChanges = Attached | ChecksEnabled,
}
export interface DisposableFn { (): void; }

6
packages/core/src/view/view.ts
View File

@ -211,7 +211,7 @@ function createView(
viewContainerParent: null, parentNodeDef,
context: null,
component: null, nodes,
state: ViewState.FirstCheck | ViewState.ChecksEnabled, root, renderer,
state: ViewState.FirstCheck | ViewState.CatDetectChanges, root, renderer,
oldValues: new Array(def.bindingCount), disposables
};
return view;
@ -542,13 +542,13 @@ function callViewAction(view: ViewData, action: ViewAction) {
const viewState = view.state;
switch (action) {
case ViewAction.CheckNoChanges:
if ((viewState & ViewState.ChecksEnabled) &&
if ((viewState & ViewState.CatDetectChanges) === ViewState.CatDetectChanges &&
(viewState & (ViewState.Errored | ViewState.Destroyed)) === 0) {
checkNoChangesView(view);
}
break;
case ViewAction.CheckAndUpdate:
if ((viewState & ViewState.ChecksEnabled) &&
if ((viewState & ViewState.CatDetectChanges) === ViewState.CatDetectChanges &&
(viewState & (ViewState.Errored | ViewState.Destroyed)) === 0) {
checkAndUpdateView(view);
}